Senior Mobile App Engineer - Los Angeles HQ
1 day ago
Job description
SKIMS is a solutions-oriented brand creating the next generation of underwear, loungewear, shapewear, and essentials. We are setting new standards by delivering technically innovative, comfort-driven products with elevated design for everybody.
At the intersection of culture, innovation, and commerce, SKIMS is a global brand redefining modern apparel. Our teams are built on creativity, collaboration, and operational excellence, and we are committed to fostering an inclusive, high-performance environment where ambitious, curious, and values-driven individuals can do the best work of their careers.
As we continue to scale globally, our HQ teams play a critical role in shaping strategy, building world-class infrastructure, and driving sustainable growth across markets.
We are seeking an experienced Senior Mobile App Engineer to help build, scale, and continuously evolve the SKIMS DTC mobile application. In this role, you will contribute to a production-grade Flutter application supporting a rapidly growing global fashion brand, delivering high-impact features across shopping, personalization, loyalty, and seamless checkout experiences.
The ideal candidate brings deep expertise in Flutter, strong command of clean architecture and scalable mobile patterns, and a passion for crafting performant, intuitive, and conversion-driven mobile commerce experiences. You thrive in fast-paced environments, take ownership of technical quality, and are motivated by building products used by millions of customers worldwide.
Key Responsibilities
Required:
- 5+ years professional software engineering with 3+ years Flutter/Dart development
- Shipped production Flutter apps to App Store and Play Store at scale
- Expert-level Flutter and Dart with strong null safety practices
- BLoC pattern (flutter_bloc) and clean architecture (domain/data/presentation layers)
- Code generation tools: Freezed, JSON Serializable, Retrofit, Injectable/GetIt
- Local storage solutions: ObjectBox, Hive, or similar embedded databases
- Dio networking with RESTful API integrations and error handling
- Comprehensive testing: unit, widget, BLoC tests with mocktail/bloc_test
- E-commerce experience: shopping cart, checkout, product catalogs, user authentication
Preferred:
- Firebase ecosystem: Analytics, Crashlytics, Remote Config, Cloud Messaging
- Multi-platform analytics (Braze, Sentry, Google Analytics, QuantumMetrics)
- Shopify API or headless commerce platform experience
- Marketing automation (Klaviyo, Braze) and push notification implementation
- CI/CD with GitHub Actions
- Platform channels with native iOS (Swift) and Android (Kotlin)a
- FVM, l10n/i18n with flutter_intl, accessibility standards
Skills, Knowledge and Expertise
- Design and develop high-quality Flutter features following BLoC pattern and clean architecture
- Build complex, performant UIs with pixel-perfect design implementation and smooth animations
- Integrate third-party services: Shopify APIs, payment gateways, analytics platforms, CMS
- Implement repository pattern with abstract interfaces and domain models
- Write comprehensive unit, widget, and integration tests (80%+ coverage target)
- Optimize app performance, memory usage, and crash-free rates
- Conduct code reviews and mentor junior developers on Flutter best practices
- Manage CI/CD pipelines and coordinate app releases
- Collaborate with product, design, and backend teams on feature planning and technical decisions
- Monitor production metrics via Crashlytics/Sentry and proactively resolve issues
What We're Looking For
Technical Excellence:
- Deep understanding of Flutter internals, widget lifecycle, and performance optimization
- Expertise in complex state management with BLoC and reactive programming (RxDart, Streams)
- Strong architectural decision-making balancing scalability, maintainability, and performance
- Proficiency with code generation workflows and dependency injection patterns
- Experience debugging across Dart, Flutter framework, and native platform layers
E-Commerce & Product Mindset:
- Understanding of mobile commerce user journeys and conversion optimization
- Experience with high-traffic consumer applications
- Customer-centric approach with data-driven decision making
- Familiarity with payment flows, loyalty programs, and personalization
Collaboration & Leadership:
- Excellent communication skills with technical and non-technical stakeholders
- Ownership mentality - driving features from design through production
- Proven mentorship capabilities and knowledge sharing
- Team-first attitude with positive, collaborative approach
- Comfortable with ambiguity and defining technical requirements
Why Join Us
- Build a high-visibility consumer app used by millions in a premier fashion brand
- Shape technical architecture and engineering culture of a rapidly scaling platform
- Work with world-class design, product, and engineering teams
- Solve challenging problems in mobile commerce, personalization, and performance
- Continuous learning with cutting-edge Flutter technologies and best practices
- Competitive compensation with equity, flexible/remote-friendly environment
Benefits, Culture and Perks
Benefits and Culture
- Up to 100% Company Paid Healthcare (medical, dental, vision)
- Kind Body Fertility Benefits
- 401(k) savings plan with up to 4% match
- Unlimited PTO
- Full Access to LinkedIn learning
- Employee Discounts
Perks (HQ Location)
- Free weekly catered lunch at HQ – M/T/W/Th
- Dog-Friendly office on a Thursday and Friday
- Free Swag Giveaways
- Annual Holiday Party
- Annual Summer Party
- Invitations to pop-ups and other company events
- Complimentary daily office snacks and beverages
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